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单词 rack-out
释义

rack-outadj.

Brit. /ˈrakaʊt/, U.S. /ˈrækˌaʊt/
Origin: Formed within English, by conversion. Etymon: English to rack out.
Etymology: < to rack out (see rack v.4 4b).
Mechanics. rare.
Designed to be adjusted by means of a rack mechanism.
ΚΠ
1893 Photogr. Ann. 333 This camera is well known. It has double extension leather bellows... The extension is rack-out, but by an ingenious arrangement instantly extended as required.
1942 U.S. Patent 2,273,002 2/1 In addition to the jack screws..the rack-out mechanism or force-multiplying means comprises a pair of traveling couplers.
1999 Electr. Construct. & Maintenance (Nexis) Nov. This situation allowed the compartment door to open when the contactor rack-out mechanism, operated manually by the draw-out handle, had not completely disengaged the contactor from the 4.16kV connection stabs.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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adj.1893
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